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Ghi chú về hạ tầng xác thực, di chuyển hệ thống và đôi khi là một quan điểm.
June 20, 2026
The feature tax: stop paying to flip switches that cost nothing
The auth industry meters permission, not cost. It gates SSO, MFA, and provisioning behind tiers and per-connection fees for features that cost effectively nothing to provide. Here's the distinction that pricing pages hope you never draw.
authpricingssossotaxsaas
June 18, 2026
Leaving self-hosted Duende: what migrates, and what you stop operating
Moving off self-hosted Duende IdentityServer to managed auth — what actually migrates from the SQL config and ASP.NET Identity, and the operational cost you stop carrying.
duendeidentityserverdotnetoidcmigration
June 16, 2026
Leaving Auth0: what actually moves — and the one thing they won't hand over
A practical look at what an Auth0 migration really involves: what's easy, what's fiddly, and the one thing Auth0 genuinely won't give you.
auth0oidcsamlidentitymigration